Finding the Fourth Proportional to 234,339.84, 323,390.16 and 126,910.08
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Solution
The fourth proportional to 234,339.84, 323,390.16 and 126,910.08 is: 175,136.55
Step by Step Solution
- Step 1: Write the proportion equation
234,339.84 : 323,390.16 = 126,910.08 : x - Step 2: Convert to fraction form
234,339.84/323,390.16 = 126,910.08/x - Step 3: Cross multiply
234,339.84x = 323,390.16 × 126,910.08 - Step 4: Simplify right side
234,339.84x = 41,041,471,076.81 - Step 5: Solve for x
x = 41,041,471,076.81/234,339.84 - Step 6: Final answer
x = 175,136.55
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.